package java_collection_framework;

import java.util.*;

public class PriorityQueueDemo {
	public static void main(String[] args) {
		PriorityQueue<String> queue1 = new PriorityQueue<String>();
		queue1.offer("Oklahoma");
		queue1.offer("Indiana");
		queue1.offer("Georgia");
		queue1.offer("Texas");

		System.out.println("Priority queue using Comparable:");
		while (queue1.size() > 0) {
			System.out.print(queue1.remove() + " ");
		}

		PriorityQueue<String> queue2 = new PriorityQueue<String>(
				4, Collections.reverseOrder());
		queue2.offer("Oklahoma");
		queue2.offer("Indiana");
		queue2.offer("Georgia");
		queue2.offer("Texas");
		
		System.out.println("\nPriority queue using Comparator:");
		while (queue2.size() > 0) {
			System.out.print(queue2.remove() + " ");
		}
	}
} 




